H. B. T. Nguyen, M. P. Nguyen, C. L. Tran, M. Q. Pham, H. M. Le, and D. L. Phun, “THE PREDICTIVE VALIDITY OF RENAL ANGINA INDEX FOR SEVERE ACUTE KIDNEY INJURY IN CHILDREN WITH SEPSIS”, CTJUMP, no. 98, pp. 8–14, May 2026.